The Piston,internal Combustion Engin, cataloged under National Stock Number 2815-01-171-2228, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Trw Inc Trw Intl Trade Government Sales Dept. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-171-2228 |
| Primary Part Number | L234F-30 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Trw Inc Trw Intl Trade Government Sales Dept |
| Status | ACTIVE |
| Surface Finish | FINISHED |
| Pin | INCLUDED |
| Pin Type for Which Designed | LOCKING |
| Head Style | FLAT |
| Oversize | 0.030 INCHES NOMINAL IN |
| Finished Size Designation | OVERSIZE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| L234F-30 PRIMARY | Trw Inc Trw Intl Trade Government Sales Dept (USA) |
| Reference | Meaning |
|---|---|
| 337147C31 | 3/2 Design control — primary reference U.S. Government activity |
| 337147C21 | 5/9 Secondary reference U.S. Government activity |
NSN 2815-01-171-2228 is a Piston,internal Combustion Engin, manufactured by Trw Inc Trw Intl Trade Government Sales Dept, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-171-2228 has 1 manufacturer part number on file: L234F-30 (Trw Inc Trw Intl Trade Government Sales Dept).
Key specifications for L234F-30: Surface Finish: FINISHED; Pin: INCLUDED; Pin Type for Which Designed: LOCKING; Head Style: FLAT. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.